Appendices

Appendix A: Units and Symbols 659

Appendix B: Tables and diagrams 663

Important constants
Periodic table of the elements
Greek alphabet
Conversion factors for pressure units
Conversion factors for throughput (flow rate)
Conversion factors for pumping speed (volumetric flow rate)
Physical properties of some gases
Vapour pressure and density of saturated water vapour in the temperature range 0-100 °C
Technical data of some diffusion pump oils
Components of atmospheric air
Graph of air pressure and temperature as a function of the altitude above the earth’s surface
Composition of air as a function of the altitude above the earth’s surface